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Science
Chemistry
molecules

molecules

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Solve the following problems below. 1. Gold (Au} has been used to make ornamental objects and jewelry for thousande . years. Gold nuggets found in a stream are very easy to work and were probably on of the first metals used by humans. (1 mol of Gold (Au) = 196.97g). Calculate the A. Number of moles in a 95.0 g sample of a gold nugget. B. Number of atoms in a 95.0 g sample of a gold nugget. 2. During exercise, lactic acid (C3H,O3) forms in the muscles causing muscle cramp. If 5.0 g of lactic acid (C3HO3) concentrate in your leg muscles, how many molecules of lactic acid is causing you pain? (C = 12.0 g/mol, H = 1.008 g/mol, O = 16.0 g/mol)
Transcribed Image Text:Solve the following problems below. 1. Gold (Au} has been used to make ornamental objects and jewelry for thousande . years. Gold nuggets found in a stream are very easy to work and were probably on of the first metals used by humans. (1 mol of Gold (Au) = 196.97g). Calculate the A. Number of moles in a 95.0 g sample of a gold nugget. B. Number of atoms in a 95.0 g sample of a gold nugget. 2. During exercise, lactic acid (C3H,O3) forms in the muscles causing muscle cramp. If 5.0 g of lactic acid (C3HO3) concentrate in your leg muscles, how many molecules of lactic acid is causing you pain? (C = 12.0 g/mol, H = 1.008 g/mol, O = 16.0 g/mol)
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